Implement new page action API.

chrome/test/data/extensions/api_test/page_action/manifest.json

Index: chrome/test/data/extensions/api_test/page_action/manifest.json
diff --git a/chrome/test/data/extensions/api_test/page_action/manifest.json b/chrome/test/data/extensions/api_test/page_action/manifest.json
new file mode 100755
index 0000000000000000000000000000000000000000..e020f59bd910eb50cc5e64faf6a3e1c7dd4282fc
--- /dev/null
+++ b/chrome/test/data/extensions/api_test/page_action/manifest.json
@@ -0,0 +1,12 @@
+{
+  "name": "A page action with no icon that makes the page red",
+  "version": "1.0",
+  "background_page": "background.html",
+  "permissions": [
+    "tabs", "http://*/*"
+  ],
+  "page_action": {
+      "default_title": "Make this page red",
+      "default_icon": "icon.png"
+  }
+}